Patents by Inventor Yohei SAKAKIBARA

Yohei SAKAKIBARA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • ROTOR, ELECTRIC MOTOR, AND ROTOR PRODUCTION METHOD
    Publication number: 20230118484
    Abstract: A rotor includes a cylindrical magnet structure extending in an axial direction to cover a shaft, and a protective tube including a fiber body covering an outer circumferential surface of the magnet structure. The outer circumferential surface of the magnet structure has a first tapered surface gradually decreasing in diameter toward a first end surface of the magnet structure, and a second tapered surface gradually decreasing in diameter toward a second end surface opposite the first end surface in the axial direction. The protective tube includes a first end portion that is bonded to the first tapered surface of the magnet structure, and a second end portion that is bonded to the second tapered surface of the magnet structure.
    Type: Application
    Filed: December 21, 2022
    Publication date: April 20, 2023
    Inventors: Yuji SASAKI, Naoki OIWA, Natsuki YONEYAMA, Yohei SAKAKIBARA
  • TiAl alloy member, method of manufacturing the same, and method of forging TiAl alloy member
    Patent number: 11542574
    Abstract: A TiAl alloy member for hot forging includes a substrate made of TiAl alloy, and an Al layer formed on a surface of the substrate, the Al layer containing Al as a main constituent and containing Ti.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: January 3, 2023
    Assignee: IHI Corporation
    Inventors: Keiji Kubushiro, Masanobu Baba, Yohei Sakakibara, Yutaro Ota
  • TiAl ALLOY MEMBER, METHOD OF MANUFACTURING THE SAME, AND METHOD OF FORGING TiAl ALLOY MEMBER
    Publication number: 20200362439
    Abstract: A TiAl alloy member for hot forging includes a substrate made of TiAl alloy, and an Al layer formed on a surface of the substrate, the Al layer containing Al as a main constituent and containing Ti.
    Type: Application
    Filed: June 17, 2020
    Publication date: November 19, 2020
    Applicant: IHI Corporation
    Inventors: Keiji KUBUSHIRO, Masanobu BABA, Yohei SAKAKIBARA, Yutaro OTA